IDENTIFIERS

  • Current Taxon Name (Soil Name): McGirk
  • OSD
  • Series Extent
  • User Site ID: 1991MO167186M
  • User Pedon ID: 1991MO167186
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - MCL
  • Lab Pedon # - M9116739
  • Print Date: 1/29/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.5488889
  • Std. Longitude: -93.5588889
  • Datum: WGS84
  • Township: T33N
  • Range: R24W
  • Section: 33
  • PLSS Details: 250 feet W and 2300 feet N of the SE corner
  • Location Description: 250 feet west and 2,300 feet north of the southeast corner of section 33, T. 33 N., R. 24 W.
  • Map Unit: 15002—McGirk silt loam, 1 to 3 percent slopes
  • State: Missouri
  • County: MO167—Polk
  • MLRA: 116B—Springfield Plain
  • Non-MLRA Soil Survey Area: MO167—Polk County, Missouri

    • PEDON

  • Describers Name: Richard E. McBee
  • Current Taxonomic Class: Fine, smectitic Vertic Epiaqualfs
  • Current Taxon Kind: series
  • Pedon Type: TUD pedon
  • Pedon Purpose: laboratory sampling site
  • Pedon Record Orgin: Converted from PDP 3.x
  • Correlated Information:
  • Soil Name - McGirk
  • PSC - 23 to 73 cm.
  • Classificaton Date - 4/18/2012
  • Moisture Class - udic
  • Sampled As Information:
  • Soil Name - McGirk
  • Taxon Kind - series
  • Classificaton Date - 5/24/1991
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: slope alluvium derived from mixed
  • Landscape: plateau
  • Landform: interfluve
  • Geomorphic Component Hills: interfluve
  • Hill Slope Profile: toeslope
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: high
  • Drainage Class: poorly
  • Flooding: none flooding
  • Ponding: none ponding
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 5/24/1991 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—23

    23—152

    —-

    —-
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    2

    —

    —

    267

    —

    0

    1041

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); dark grayish brown (10YR 4/2), light brownish gray (10YR 6/2), dry; silt loam; weak fine granular structure; friable; 0.5 fine roots; fragments; neutral, pH 6.9, hellige-truog; abrupt smooth boundary. Lab sample # MU015559
    BEg—10 to 23 centimeters (3.9 to 9.1 inches); grayish brown (10YR 5/2) and dark grayish brown (10YR 4/2) silty clay loam; weak fine granular structure; friable; 0.5 fine roots; fragments; strongly acid, pH 5.4, hellige-truog; abrupt smooth boundary. Lab sample # MU015560
    Btg1—23 to 38 centimeters (9.1 to 15.0 inches); dark gray (10YR 4/1) silty clay; weak fine subangular blocky structure; firm; 0.2 fine roots; 35 percent prominent clay films on faces of peds; 15 percent weakly coherent cemented black (N 2/0) iron-manganese concretions and 22 percent medium yellowish red (5YR 4/6) masses of oxidized iron; noncoherent cemented ; fragments; very strongly acid, pH 4.9, hellige-truog; clear smooth boundary. Lab sample # MU015561
    Btg2—38 to 76 centimeters (15.0 to 29.9 inches); dark gray (10YR 4/1) silty clay; weak very fine subangular blocky structure; firm; 12 percent prominent clay films on faces of peds; 15 percent medium dark yellowish brown (10YR 4/6) masses of oxidized iron; 3 percent by volume 2-39-75 millimeter limestone, cherty fragments; strongly acid, pH 5.1, hellige-truog; gradual smooth boundary. Lab sample # MU015562
    2Btg3—76 to 152 centimeters (29.9 to 59.8 inches); dark gray (10YR 4/1) silty clay; weak very fine subangular blocky structure; firm; 4 percent prominent clay films on faces of peds; 12 percent medium dark yellowish brown (10YR 4/6) masses of oxidized iron; 3 percent by volume 2-39-75 millimeter limestone, cherty fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # MU015563